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Inventories
9 Months Ended
Sep. 30, 2012
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories are stated at the lower of cost or market using the first-in first-out costing method. Inventories as of September 30, 2012 and December 31, 2011 include the costs of material, labor, and factory overhead. Components of inventories consist of the following:

 
September 30,
2012
 
December 31,
2011
Raw materials
$
9,690

 
$
11,039

Work in process
2,150

 
1,805

Finished goods
6,002

 
5,771

 
$
17,842

 
$
18,615